Method storeCouponCatsById

public static function storeCouponCatsById($catArray, $couponId)
{
    if ((int) $couponId > 0) {
        $db = Factory::getDBO();
        $query = ' DELETE ' . ' FROM #__phocacart_coupon_categories' . ' WHERE coupon_id = ' . (int) $couponId;
        $db->setQuery($query);
        $db->execute();
        if (isset($catArray) && !empty($catArray)) {
            $valuesString = '';
            foreach ($catArray as $k => $v) {
                $values[] = ' (' . (int) $couponId . ', ' . (int) $v . ')';
            }
            if (!empty($values)) {
                $valuesString = implode(',', $values);
                $query = ' INSERT INTO #__phocacart_coupon_categories (coupon_id, category_id)' . ' VALUES ' . (string) $valuesString;
                $db->setQuery($query);
                $db->execute();
            }
        }
    }
}